diff --git a/objects/file/definition.json b/objects/file/definition.json
index 937d407..07897ae 100644
--- a/objects/file/definition.json
+++ b/objects/file/definition.json
@@ -441,18 +441,13 @@
         "windows-874"
       ]
     },
-    "imphash": {
-      "description": "Hash (md5) calculated from the import table",
-      "ui-priority": 0,
-      "misp-attribute": "imphash"
-    },
     "compilation-timestamp": {
       "description": "Compilation timestamp",
       "ui-priority": 0,
       "misp-attribute": "datetime"
     }
   },
-  "version": 19,
+  "version": 20,
   "description": "File object describing a file with meta-information",
   "meta-category": "file",
   "uuid": "688c46fb-5edb-40a3-8273-1af7923e2215",